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Standards GB are Chinese national standards, which are issued by China's Standardization Administration Office (SAC).
Chinese national standards are used all over China commonly labeled as GB standards. They determine the united production requirements regarding product safety and quality .
GB standards are often modified or created according to the international standards of ISO, IEC or any other international level.
Although, they are largely harmonized, GB standards may differ from international standards .
Approximately 15% of all GB standards are obligatory and they can be identified according to the prefix GB, after which the code of the standards follows:
GB – Obligatory national standards
GB/T – Optional national standards
GB/Z – National steering technical document
Petroleum products and other liquids - Determination of flash point -Abel closed cup method
WITHDRAWN published on 12.5.2008
Selected format:(The parts and units of jigs and fixtures. Mobile Broadband head plate)
WITHDRAWN published on 1.1.1991
Selected format:Determination of flash/ no flash - Rapid equilibrium closed cup method
WITHDRAWN published on 12.5.2008
Selected format:Chemicals - Test method of in vitro mammalian cell gene mutation
WITHDRAWN published on 12.5.2008
Selected format:Chemicals - Test method of in vitro mammalian chromosome aberration
WITHDRAWN published on 12.5.2008
Selected format:Chemicals—Activated sludge,respiration inhibition test
WITHDRAWN published on 12.5.2008
Selected format:Chemicals—Test method of mouse spot
WITHDRAWN published on 12.5.2008
Selected format:Determination of carbon dioxide content in the mineral carbonates associated with coal
WITHDRAWN published on 1.1.1983
Selected format:Determination of carbon dioxide content in the mineral carbonates associated with coal
WITHDRAWN published on 19.12.1996
Selected format:(The parts and units of jigs and fixtures. Turn the wide head plate)
WITHDRAWN published on 1.1.1991
Selected format:Latest update: 2026-04-21 (Number of items: 2 274 412)
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